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GREYUIT [131]
2 years ago
5

What was the procedure during the first successful vaccination?

Biology
2 answers:
netineya [11]2 years ago
4 0
The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed. He observed that milkmaids who previously had caught cowpox did not catch smallpox and showed that inoculated vaccinia protected against inoculated variola virus
Mekhanik [1.2K]2 years ago
4 0
Sheeeeeeeesssshhhhhhhhh
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analyze the results of a cross between two organisms that are both heterozygous for two different genes (AaBb) use a punnett squ
MissTica
The  cross  of  heterozygous  AaBb as  parental  phenotype led   to  formation  of  16  phenotype   of  the  offspring.This  is  because  this  is  dihybrid   form  of inheritance .The   probability  of  having  aabb   offspring  is  1/16  since   there  is  only  one  aabb  type  of  offspring  phenotype  out  of  the  16.  An  illustration  of  how  crossing  is  done  is  as  per  punnet square  below

6 0
3 years ago
The directions for each amino acid in a polypeptide are indicated by a codon that consists of ________ nucleotide(s) in an RNA m
ipn [44]

Answer:

3 nucleotides in an RNA molecule.

Explanation:

Protein synthesis in the cell produced by RIBOSOMES requires a lot of energy and it's has the highest mass in living organisms. Protein synthesis involve the process where Messenger RNA (MRNA) message is converted to a polypeptide product. The transcription in the cell produced messenger RNA. The translation of mRNA template converts nucleotide-based genetic information into a protein product. The protein sequences contain about 20 Ami o acids and each amino acids is defined by three nucleotides sequence which is called triplet codon. The relationship between nucleotides codon And amino acids is called genetic code

4 0
3 years ago
Arrange the organisms according to their position in the food web, starting with the autotrophs
lozanna [386]
1-3-2-4 here it is by birds u mean vulture right
7 0
3 years ago
Help please due tomorrow!!
valentina_108 [34]

Answer:

Y- x+ Y-

Explanation:

when an atom loses electrons the atom the result is a positive ion. when an atom gains an electron, the result is a negative ion

7 0
3 years ago
Help Please I need the biology Terms
polet [3.4K]

Answer:

Purpose- "the reason why something is done or used"

Research- An open access, peer reviewed Journal. Information about a topic that is  gained by investigating prevous information gathered by someone else. systematic investigation. A systematic way of gathering data and harnessing curiosity.

Avoiding Bias- Avoiding Bias means to write info with curiosity and with research, not using personal opinion or preferance to write info.

Hypothesis- May be described as an educated guess based on research to describe and/or to explain the effect of a certain cause. Usually written in If....Then.... (A specific testable Prediction describing what you expect to happen in a certain circumstance)

Experiment-An emperical Procedure using scientific method to test and explain a certain circumstance.

Also, A trial or test, carried out under controlled conditions, to discover something unkown, to verify a hypothesis.

Independent Variable- The Variable that is changed during an experiment.

Dependent Variable- The Variable that you measure in response that is affected by the changes made.

Control- The Control variable is the Variable that remains Constant and does not change.

Analysis- The careful study of the data obtained from the experiment.

Conclusion-Short paragraph that discusses the overall results from the data obtained by the experiment and explains whether the hypothesis was right or wrong.

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